1 /*

     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 #ifndef MUSENGVOLUMECHANGEOBSERVER_H

    20 #define MUSENGVOLUMECHANGEOBSERVER_H

    21 

    22 // INCLUDES

    23 #include <e32def.h>

    24 

    25 // CLASS DECLARATION

    26 

    27 /**

    28 * An interface to be implemented by users of Multimedia Sharing Engine if 

    29 * they wish to be notified about volume level CenRep keys change

    30 *

    31 */

    32 class MMusEngVolumeChangeObserver

    33     {

    34     public: 

    35     

    36         /**

    37 	    * Indicates that volume level was changed either by some other 

    38 	    * application or due to audio route change

    39 	    * @param aVolume new volume level

    40 	    * @param aAudioRouteChanged indicates whether volume level changed due

    41 	    *        to audio route change

    42 	    */

    43         virtual void VolumeChanged( TInt aVolume, TBool aAudioRouteChanged ) = 0;        

    44     };

    45 

    46 #endif